Security Digest · Vulnerability record · Known exploited
CVE-2025-2749: Kentico Xperience Path Traversal Vulnerability
Exploited in the wild (CISA KEV). An authenticated remote code execution in Kentico Xperience allows authenticated users Staging Sync Server to upload arbitrary data to path relative locations.
CISA KEV · added 2026-04-20 CVSS 7.2 High EPSS 4.0% · p91
Should you act?
Exploited: patch now if you run it
CISA has confirmed exploitation in the wild. This signal is computed from CISA KEV, EPSS and CVSS data; it is not an editorial verdict.
- Yes, if you run Kentico Kentico Xperience. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2026-04-20, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2026-05-04; treat that as the outer limit, not the target.
- EPSS 4.0%, percentile 91: FIRST’s model estimates a 4.0% chance of exploitation activity in the next 30 days, higher than 91% of all scored CVEs (elevated). EPSS is a probability, not a verdict.
- Needs an account (high (admin)). Exposure depends on who can log in.
What it is
An authenticated remote code execution in Kentico Xperience allows authenticated users Staging Sync Server to upload arbitrary data to path relative locations. This results in path traversal and arbitrary file upload, including content that can be executed server side leading to remote code execution.This issue affects Kentico Xperience through 13.0.178.
CISA’s summary
Kentico Xperience contains a path traversal vulnerability that could allow an authenticated user's Staging Sync Server to upload arbitrary data to path relative locations.
Weakness type: CWE-22, CWE-434.
Product: Kentico Kentico Xperience · Assigned by: VulnCheck · Published: 2025-03-24
Affected and fixed versions
| Vendor | Product | Affected versions (per CVE record) |
|---|---|---|
| Kentico | Xperience | <= 13.0.178 |
Severity scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulnCheck | 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- Attack vector: network (remotely reachable)
- Attack complexity: low
- Privileges required: high (admin)
- User interaction: none
- Scope: unchanged
CVSS measures how bad a flaw is if exploited, not how likely exploitation is. Read it next to the exploitation data below.
Exploitation and urgency
- CISA KEV: added 2026-04-20; federal due date 2026-05-04. Known ransomware use: Unknown.
- CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA SSVC assessment: exploitation active, automatable no, technical impact total.
- FIRST EPSS (model of 2026-10-21): 4.02% probability of exploitation activity in the next 30 days; percentile 91.
Timeline
- — CVE record published by VulnCheck
- — Added to CISA’s Known Exploited Vulnerabilities catalog
- — CVE record last updated
- — CISA remediation deadline for US federal agencies
Sources and references
Original sources first. Version and fix details should always be confirmed against the vendor or project advisory.
Vendor and project advisories, patches
- devnet.kentico.com devnet.kentico.com
Vulnerability records
- CVE.org record CVE-2025-2749 cve.org
- NVD entry CVE-2025-2749 nvd.nist.gov
Government
Other references from the CVE record and advisory
- labs.watchtowr.com labs.watchtowr.com
- vulncheck.com vulncheck.com
All exploited Kentico vulnerabilities · Today’s Security Digest